You are trapped on a farm, you were completely surrounded by zombies. Need ten minutes to survive, because this time will be added to the Salvation arrives. Wherever you go, but they come from all the zombies. Weapons and ammo you do not need to economize.
The WASD keys you can move the mouse to aim and shoot.
Mouse wheel - the choice of weapon
R - Reload weapon
Spacebar - Jump
Enjoy the game!